The abstract should be structured into the subsections'BACKGROUND','OBJECTIVE','DESIGN,TIME AND SETTING','PARTICIPANTS/MATERIALS','INTERVENTIONS/METHODS','MAIN OUTCOME MEASURE(S)','RESULTS',and'CONCLUSION'. BACKGROUND:A concise statement of the history and significance of the study. OBJECTIME:State the precise objective or study question addressed in the report(e.g.,'To determine whether...').If more than one objective
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